Product Description USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure products pass dimensional, material, and fitment testing.
USA Standard Ring & Pinion Gear Set For GM 12 Bolt Truck in a 4.11 Ratio - ZG GM12T-411 MSRP: $317.00 Was: Now: $251.33 Add to Cart
USA Standard Ring & Pinion Thick Gear Set For GM 12 Bolt Car in a 4.11 Ratio - ZG GM12P-411T MSRP: $308.00 Was: Now: $293.65 Add to Cart
USA Standard Ring & Pinion Thick Gear Set For GM 12 Bolt Truck in a 4.56 Ratio - ZG GM12T-456T MSRP: $320.00 Was: Now: $251.33 Add to Cart